<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-lx-cascades"></i> 角色管理
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button
                        type="primary"
                        icon="el-icon-plus"
                        class="handle-del mr10"
                        @click="addRole"
                >新增角色
                </el-button>
                <el-input v-model="query.id" placeholder="输入id进行搜索" class="handle-input mr10"></el-input>
                <el-input v-model="query.job" placeholder="输入角色进行搜索" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
            </div>
            <el-table
                    :data="tableData"
                    border
                    class="table"
                    ref="multipleTable"
                    header-cell-class-name="table-header"
            >
                <el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
                <el-table-column prop="job" label="角色"></el-table-column>
                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <el-button
                                type="text"
                                icon="el-icon-edit"
                                @click="handleEdit(scope.$index, scope.row)"
                        >编辑
                        </el-button>
                        <el-button
                                type="text"
                                icon="el-icon-delete"
                                class="red"
                                @click="handleDelete(scope.$index, scope.row)"
                        >删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                        background
                        layout="total, prev, pager, next"
                        :current-page="query.pageIndex"
                        :page-size="query.pageSize"
                        :total="pageTotal"
                        @current-change="handlePageChange"
                ></el-pagination>
            </div>
        </div>

        <!-- 编辑弹出框 -->
        <el-dialog title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="ID">
                    <el-input
                            v-model="form.id"
                            :disabled="true">
                    </el-input>
                </el-form-item>
                <el-form-item label="角色">
                    <el-input v-model="form.job"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
    import {fetchData} from '../../api/index';
    import service from "../../utils/request";

    export default {
        name: 'roleManage',
        data() {
            return {
                query: {
                    id: '',
                    job: '',
                    pageIndex: 1,
                    pageSize: 10
                },
                tableData: [],
                multipleSelection: [],
                delList: [],
                editVisible: false,
                pageTotal: 0,
                form: {
                    id: '',
                    job: ''
                },
                idx: -1,
                id: -1
            };
        },
        created() {
            this.getData();
        },
        methods: {
            // 获取 easy-mock 的模拟数据
            getData() {
                service.get('/roles/selRoles', {
                    params: this.query
                }).then(res => {
                    this.tableData = res.message
                    this.pageTotal = res.total
                })
            },
            // 触发搜索按钮
            handleSearch() {
                this.$set(this.query, 'pageIndex', 1);
                this.getData();
            },
            // 删除操作
            handleDelete(index, row) {
                if (row.id === 1 || row.id === 2) {
                    this.$message.error('基础角色不可删除')
                    return
                }
                // 二次确认删除
                this.$confirm('确定要删除吗？', '提示', {
                    type: 'warning'
                })
                    .then(() => {
                        service.get('/roles/delete', {
                            params: {
                                id: row.id
                            }
                        }).then(res => {
                            this.$message.success('删除成功');
                            this.tableData.splice(index, 1);
                        }).catch(err => {
                            this.$message.error('删除失败');
                        })
                    })
                    .catch(() => {
                    });
            },
            addRole() {
                this.form = {
                    id: '',
                    job: ''
                }
                this.editVisible = true;
            },
            // 编辑操作
            handleEdit(index, row) {
                if (row.id === 1 || row.id === 2 || row.id === 3) {
                    this.$message.error('基础角色不可修改')
                    return
                }
                this.idx = index;
                // this.form = row;
                for (let key in row) {
                    this.form[key] = row[key]
                }
                this.editVisible = true;
            },
            // 保存编辑
            saveEdit() {
                service.get('/roles/edit', {
                    params: this.form
                }).then(res => {
                    this.editVisible = false;
                    this.$message.success(`新增/修改成功`);
                    this.$set(this.tableData, this.idx, this.form);
                    this.getData()
                }).catch(err => {
                    this.$message.error(`新增/修改失败`);
                })
            },
            // 分页导航
            handlePageChange(val) {
                this.$set(this.query, 'pageIndex', val);
                this.getData();
            }
        }
    };
</script>

<style scoped>
    .handle-box {
        margin-bottom: 20px;
    }

    .handle-select {
        width: 120px;
    }

    .handle-input {
        width: 300px;
        display: inline-block;
    }

    .table {
        width: 100%;
        font-size: 14px;
    }

    .red {
        color: #ff0000;
    }

    .mr10 {
        margin-right: 10px;
    }

    .table-td-thumb {
        display: block;
        margin: auto;
        width: 40px;
        height: 40px;
    }
</style>
